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Finding the Fourth Proportional to 7,683.03, 11,503.56 and 5,803.41

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Solution

The fourth proportional to 7,683.03, 11,503.56 and 5,803.41 is: 8,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.03 : 11,503.56 = 5,803.41 : x
  2. Step 2: Convert to fraction form
    7,683.03/11,503.56 = 5,803.41/x
  3. Step 3: Cross multiply
    7,683.03x = 11,503.56 × 5,803.41
  4. Step 4: Simplify right side
    7,683.03x = 66,759,875.14
  5. Step 5: Solve for x
    x = 66,759,875.14/7,683.03
  6. Step 6: Final answer
    x = 8,689.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.